1 files changed, 162 insertions, 0 deletions
diff --git a/cli/internal/context/context_test.go b/cli/internal/context/context_test.go
new file mode 100644
index 0000000..692c0a8
--- /dev/null
+++ b/cli/internal/context/context_test.go
@@ -0,0 +1,162 @@
+package context
+
+import (
+	"os"
+	"path/filepath"
+	"regexp"
+	"testing"
+
+	testifyAssert "github.com/stretchr/testify/assert"
+	"github.com/vercel/turbo/cli/internal/fs"
+	"github.com/vercel/turbo/cli/internal/turbopath"
+)
+
+func Test_isWorkspaceReference(t *testing.T) {
+	rootpath, err := filepath.Abs(filepath.FromSlash("/some/repo"))
+	if err != nil {
+		t.Fatalf("failed to create absolute root path %v", err)
+	}
+	pkgDir, err := filepath.Abs(filepath.FromSlash("/some/repo/packages/libA"))
+	if err != nil {
+		t.Fatalf("failed to create absolute pkgDir %v", err)
+	}
+	tests := []struct {
+		name              string
+		packageVersion    string
+		dependencyVersion string
+		want              bool
+	}{
+		{
+			name:              "handles exact match",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "1.2.3",
+			want:              true,
+		},
+		{
+			name:              "handles semver range satisfied",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "^1.0.0",
+			want:              true,
+		},
+		{
+			name:              "handles semver range not-satisfied",
+			packageVersion:    "2.3.4",
+			dependencyVersion: "^1.0.0",
+			want:              false,
+		},
+		{
+			name:              "handles workspace protocol with version",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "workspace:1.2.3",
+			want:              true,
+		},
+		{
+			name:              "handles workspace protocol with relative path",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "workspace:../other-package/",
+			want:              true,
+		},
+		{
+			name:              "handles npm protocol with satisfied semver range",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "npm:^1.2.3",
+			want:              true, // default in yarn is to use the workspace version unless `enableTransparentWorkspaces: true`. This isn't currently being checked.
+		},
+		{
+			name:              "handles npm protocol with non-satisfied semver range",
+			packageVersion:    "2.3.4",
+			dependencyVersion: "npm:^1.2.3",
+			want:              false,
+		},
+		{
+			name:              "handles pre-release versions",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "1.2.2-alpha-1234abcd.0",
+			want:              false,
+		},
+		{
+			name:              "handles non-semver package version",
+			packageVersion:    "sometag",
+			dependencyVersion: "1.2.3",
+			want:              true, // for backwards compatability with the code before versions were verified
+		},
+		{
+			name:              "handles non-semver package version",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "sometag",
+			want:              true, // for backwards compatability with the code before versions were verified
+		},
+		{
+			name:              "handles file:... inside repo",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "file:../libB",
+			want:              true, // this is a sibling package
+		},
+		{
+			name:              "handles file:... outside repo",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "file:../../../otherproject",
+			want:              false, // this is not within the repo root
+		},
+		{
+			name:              "handles link:... inside repo",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "link:../libB",
+			want:              true, // this is a sibling package
+		},
+		{
+			name:              "handles link:... outside repo",
+			packageVersion:    "1.2.3",
+			dependencyVersion: "link:../../../otherproject",
+			want:              false, // this is not within the repo root
+		},
+		{
+			name:              "handles development versions",
+			packageVersion:    "0.0.0-development",
+			dependencyVersion: "*",
+			want:              true, // "*" should always match
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := isWorkspaceReference(tt.packageVersion, tt.dependencyVersion, pkgDir, rootpath)
+			if got != tt.want {
+				t.Errorf("isWorkspaceReference(%v, %v, %v, %v) got = %v, want %v", tt.packageVersion, tt.dependencyVersion, pkgDir, rootpath, got, tt.want)
+			}
+		})
+	}
+}
+
+func TestBuildPackageGraph_DuplicateNames(t *testing.T) {
+	path := getTestDir(t, "dupe-workspace-names")
+	pkgJSON := &fs.PackageJSON{
+		Name:           "dupe-workspace-names",
+		PackageManager: "pnpm@7.15.0",
+	}
+
+	_, actualErr := BuildPackageGraph(path, pkgJSON)
+
+	// Not asserting the full error message, because it includes a path with slashes and backslashes
+	// getting the regex incantation to check that is not worth it.
+	// We have to use regex because the actual error may be different depending on which workspace was
+	// added first and which one was second, causing the error.
+	testifyAssert.Regexp(t, regexp.MustCompile("^Failed to add workspace \"same-name\".+$"), actualErr)
+}
+
+// This is duplicated from fs.turbo_json_test.go.
+// I wasn't able to pull it into a helper file/package because
+// it requires the `fs` package and it would cause cyclical dependencies
+// when used in turbo_json_test.go and would require more changes to fix that.
+func getTestDir(t *testing.T, testName string) turbopath.AbsoluteSystemPath {
+	defaultCwd, err := os.Getwd()
+	if err != nil {
+		t.Errorf("failed to get cwd: %v", err)
+	}
+	cwd, err := fs.CheckedToAbsoluteSystemPath(defaultCwd)
+	if err != nil {
+		t.Fatalf("cwd is not an absolute directory %v: %v", defaultCwd, err)
+	}
+
+	return cwd.UntypedJoin("testdata", testName)
+}